USA Pan Rectangular Baking Pan, 9-in x13-in : The USA Pans Rectangular Baking Pan is constructed of heavy-gauge aluminized steel, the preferred material in professional kitchens. The heavy-gauge aluminized-steel bakeware by USA Pans helps ensure remarkable durability and consistent distribution of heat for the life of the cake pan. An important and unique feature of this baking pan is its corrugated surface design. Corrugation maximizes the pan's strength and prevents warping, denting and other effects of everyday use, while circulating air all around food, providing a continuous-even baking temperature for uniform results. Plus, it also minimizes surface contact which translates into evenly baked cakes & baked goods that are easily released. Rolled edges and internal steel wire add strength to this remarkable baking pan. Ideal for specialty cakes, bars and ice cream desserts. Excellent baking dish for stuffed pork chops, casseroles, and Italian dishes. Backed by a lifetime warranty, this commercial-grade pan is the highest quality for professional kitchens and home baking. Hand wash. Made in the USA. Product Features Professional-gauge aluminized steel is guaranteed not to bend, warp, rust or corrode under normal baking conditions Proprietary nonstick surface is the best in the industry - eco-friendly nontoxic clear coating releases foods easily and helps prevent over-baking Eco-friendly coating is PTFE- and PFOA-free Exclusive corrugated surface circulates air around food for continuous-even baking Heavy-gauge wire rim adds superior strength under high heat and provides ease in handling USA Pan is the largest manufacturer of commercial bakeware in the world, producing professional-grade pans for 50 years